<template>
  <div class="register">
    <el-form ref="registerForm" :model="registerForm" :rules="registerRules" class="register-form">
      <h3 class="title">注册</h3>
      <el-form-item prop="username">
        <el-input v-model="registerForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input v-model="registerForm.password" type="password" auto-complete="off" placeholder="密码"
                  @keyup.enter.native="handleRegister">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="confirmPassword">
        <el-input v-model="registerForm.confirmPassword" type="password" auto-complete="off" placeholder="确认密码"
                  @keyup.enter.native="handleRegister">
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item style="width:100%;">
        <el-button :loading="loading" size="medium" type="primary" style="width:100%;"
                   @click.native.prevent="handleRegister">
          <span v-if="!loading">注 册</span>
          <span v-else>注 册 中...</span>
        </el-button>
        <div style="float: right;">
          <router-link class="link-type" :to="'/login'">使用已有账户登录</router-link>
        </div>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-register-footer">
      <span>Copyright © 2021-2021 xhs ----cp3101</span>
    </div>
  </div>
</template>

<script>

  import { register } from '@/api/user'

  export default {
    name: 'Register',
    data() {
      const equalToPassword = (rule, value, callback) => {
        if (this.registerForm.password !== value) {
          callback(new Error('两次输入的密码不一致'))
        } else {
          callback()
        }
      }
      return {
        // 注册参数
        registerForm: {
          username: '',
          password: '',
          confirmPassword: ''
        },
        // 按钮状态
        loading: false,
        // 校验
        registerRules: {
          username: [
            { required: true, trigger: 'blur', message: '请输入您的账号' },
            { min: 2, max: 20, message: '用户账号长度必须介于 2 和 20 之间', trigger: 'blur' }
          ],
          password: [
            { required: true, trigger: 'blur', message: '请输入您的密码' },
            { min: 5, max: 20, message: '用户密码长度必须介于 5 和 20 之间', trigger: 'blur' }
          ],
          confirmPassword: [
            { required: true, trigger: 'blur', message: '请再次输入您的密码' },
            { required: true, validator: equalToPassword, trigger: 'blur' }
          ]
        }
      }
    },

    methods: {
      handleRegister() {
        this.$refs.registerForm.validate(valid => {
          if (valid) {
            this.loading = true
            register(this.registerForm).then(res => {
              if (res.status === 200) {
                const username = this.registerForm.username
                this.$alert('<font color=\'red\'>恭喜你，您的账号 ' + username + ' 注册成功！</font>', '系统提示', {
                  dangerouslyUseHTMLString: true
                }).then(() => {
                  this.$router.push('/login')
                }).catch(() => {
                })
              }
            }).catch(() => {
              this.loading = false
            })
          }
        })
      }
    }
  }
</script>

<style rel="stylesheet/scss" lang="scss">
  .register {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-image: url("../../assets/login/login-background.jpg");
    background-size: cover;
  }

  .title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: #707070;
  }

  .register-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;

    .el-input {
      height: 38px;

      input {
        height: 38px;
      }
    }

    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
  }

  .register-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }

  .register-code {
    width: 33%;
    height: 38px;
    float: right;

    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }

  .el-register-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }

  .register-code-img {
    height: 38px;
  }
</style>
